MX357306B - High-speed downhole sensor and telemetry network. - Google Patents

High-speed downhole sensor and telemetry network.

Info

Publication number
MX357306B
MX357306B MX2014005083A MX2014005083A MX357306B MX 357306 B MX357306 B MX 357306B MX 2014005083 A MX2014005083 A MX 2014005083A MX 2014005083 A MX2014005083 A MX 2014005083A MX 357306 B MX357306 B MX 357306B
Authority
MX
Mexico
Prior art keywords
communications
downhole
pulses
master
interface
Prior art date
Application number
MX2014005083A
Other languages
Spanish (es)
Other versions
MX2014005083A (en
Inventor
G Prammer Manfred
Original Assignee
Martin Scient Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Martin Scient Llc filed Critical Martin Scient Llc
Publication of MX2014005083A publication Critical patent/MX2014005083A/en
Publication of MX357306B publication Critical patent/MX357306B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/04—Adaptation for subterranean or subaqueous use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices
    • H04L25/242—Relay circuits using discharge tubes or semiconductor devices with retiming
    • H04L25/245—Relay circuits using discharge tubes or semiconductor devices with retiming for start-stop signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

A downhole data transmission system communicates data along a downhole string including a communications master selected from the group including a surface interface, a downhole interface, and a node, and including a communications line including a plurality of transmission segments that carry signals along the downhole string, and a plurality of repeaters that periodically refresh and restore signals transmitted along the downhole string. To minimize power consumption and to improve communications efficiency, the surface interface, the node, and the downhole interface communicate over the communications line(s) using pulses of radiofrequency energy. These pulses may be organized in data frames that may include one or more wake -up pulses. The data transmission system may be further characterized in that the repeaters and/or the communications master are connected to the communications line in a fail-safe fashion wherein the pulses of radiofrequency energy bypass or pass through the signal repeater and/or the communications master without amplification when the signal repeater and/or the communications master fails.
MX2014005083A 2011-10-25 2012-10-23 High-speed downhole sensor and telemetry network. MX357306B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161551176P 2011-10-25 2011-10-25
PCT/US2012/061453 WO2013062949A1 (en) 2011-10-25 2012-10-23 High-speed downhole sensor and telemetry network

Publications (2)

Publication Number Publication Date
MX2014005083A MX2014005083A (en) 2015-02-10
MX357306B true MX357306B (en) 2018-07-04

Family

ID=48168385

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014005083A MX357306B (en) 2011-10-25 2012-10-23 High-speed downhole sensor and telemetry network.

Country Status (7)

Country Link
US (1) US20130106615A1 (en)
EP (1) EP2771544B8 (en)
AU (1) AU2012329100B2 (en)
BR (1) BR112014009959B1 (en)
MX (1) MX357306B (en)
RU (1) RU2630832C2 (en)
WO (1) WO2013062949A1 (en)

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Also Published As

Publication number Publication date
BR112014009959B1 (en) 2020-11-03
US20130106615A1 (en) 2013-05-02
RU2630832C2 (en) 2017-09-13
EP2771544A4 (en) 2015-11-18
BR112014009959A2 (en) 2017-05-02
EP2771544B8 (en) 2018-10-24
WO2013062949A1 (en) 2013-05-02
AU2012329100B2 (en) 2017-07-27
EP2771544A1 (en) 2014-09-03
EP2771544B1 (en) 2018-09-05
MX2014005083A (en) 2015-02-10
AU2012329100A1 (en) 2014-06-12
RU2014120998A (en) 2015-12-10

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